EP 0156175 B1 19900808 - DEVICE FOR CONTROLLING THE ENTRY OF FRESH AIR OR THE FLUE GAS OF A BOILER
Title (en)
DEVICE FOR CONTROLLING THE ENTRY OF FRESH AIR OR THE FLUE GAS OF A BOILER
Publication
Application
Priority
DE 3406998 A 19840227
Abstract (en)
[origin: ES8603170A1] Aq. solns. or dispersions of cationic heat hardenable oligourethanes contg. a) 0.1-3 wt.% of tert. or quat. ammonium ions in the form of terminal urethane gps. and/or within the mol. a structural unit (I) where R=H, aliphatic, cycloaliphatic, araliphatic gp. fixed by quaternisation of a tert. N atom with alkylating, cycloalkylating or aralkylating cpds., R1=H or 1-4C alkyl; R2=-CN, -CONH2, -CONHR3, -CONR32 or -COOR3 where R3=monovalent hydrocarbon with opt. inert substits. (b) 0-2.8 wt.% tert. amine N atoms in the form of a terminal urethane gp. and/or within the mol. a structural unit (II) c) 0.5-15 wt.% blocked NCO gps. such that the equiv. ratio (a+b):c is 1:1-1.5:1. - The oligourethanes are produced by (i) reacting (III) where R4, R5 1-20C hydrocarbon or 2-20C hydrocarbon substd. with at least one alcohol OH gp. with the proviso that at least one R4, R5 have an alcoholic OH gp. and the equiv. ratio of free NCO gps. to OH gps. is 0.7:1.2.5:1. (ii) neutralising the tert. amine gp. for the oligourethane with an acid or by at least partial quaternisation. (iii) dispersing or dissolving the cationic oligourethane in an aq. medium.
[origin: ES8603170A1] Aq. solns. or dispersions of cationic heat hardenable oligourethanes contg. a) 0.1-3 wt.% of tert. or quat. ammonium ions in the form of terminal urethane gps. and/or within the mol. a structural unit (I) where R=H, aliphatic, cycloaliphatic, araliphatic gp. fixed by quaternisation of a tert. N atom with alkylating, cycloalkylating or aralkylating cpds., R1=H or 1-4C alkyl R2=-CN, -CONH2, -CONHR3, -CONR32 or -COOR3 where R3=monovalent hydrocarbon with opt. inert substits. (b) 0-2.8 wt.% tert. amine N atoms in the form of a terminal urethane gp. and/or within the mol. a structural unit (II) c) 0.5-15 wt.% blocked NCO gps. such that the equiv. ratio (a+b):c is 1:1-1.5:1. - The oligourethanes are produced by (i) reacting (III) where R4, R5 1-20C hydrocarbon or 2-20C hydrocarbon substd. with at least one alcohol OH gp. with the proviso that at least one R4, R5 have an alcoholic OH gp. and the equiv. ratio of free NCO gps. to OH gps. is 0.7:1.2.5:1. (ii) neutralising the tert. amine gp. for the oligourethane with an acid or by at least partial quaternisation. (iii) dispersing or dissolving the cationic oligourethane in an aq. medium.
IPC 1-7
IPC 8 full level
C08G 18/00 (2006.01); C08G 18/08 (2006.01); C08G 18/10 (2006.01); C08G 18/38 (2006.01); C08G 18/80 (2006.01); C09D 5/44 (2006.01); C09D 5/46 (2006.01); C09D 175/00 (2006.01); F23N 3/04 (2006.01); F23N 5/14 (2006.01); F23N 5/18 (2006.01)
CPC (source: EP US)
C08G 18/0814 (2013.01 - EP US); C08G 18/10 (2013.01 - EP US); C08G 18/3821 (2013.01 - EP US); C08G 18/3825 (2013.01 - EP US); C08G 18/3838 (2013.01 - EP US); C09D 5/4465 (2013.01 - EP US); F23N 3/042 (2013.01 - EP US); F23N 5/14 (2013.01 - EP US); F23N 5/18 (2013.01 - EP US); F23N 2225/04 (2020.01 - EP US); F23N 2235/04 (2020.01 - EP US); F23N 2235/06 (2020.01 - EP US); F23N 2235/10 (2020.01 - EP US)
Designated contracting state (EPC)
CH DE FR LI NL SE
DOCDB simple family (publication)
EP 0156175 A1 19851002; EP 0156175 B1 19900808; CA 1257736 A 19890718; DE 3406998 A1 19850829; DE 3560147 D1 19870604; DE 3579017 D1 19900913; EP 0160169 A1 19851106; EP 0160169 B1 19870429; ES 540715 A0 19851201; ES 8603170 A1 19851201; JP S60210618 A 19851023; US 4576989 A 19860318
DOCDB simple family (application)
EP 85102168 A 19850227; CA 474412 A 19850215; DE 3406998 A 19840227; DE 3560147 T 19850219; DE 3579017 T 19850227; EP 85101797 A 19850219; ES 540715 A 19850226; JP 3673585 A 19850227; US 70171085 A 19850214